The X-ACTO precision knife is the original cutting tool for any application requiring a precise accurate cut. This cutting and trimming tool has been used for years by graphics artists designers hobbyists and others for making careful cuts and trims consistently and confidently. X-ACTO precision knives are built with carbon and steel sharpened blades for a reliable cut every time. Add a full set of X-ACTO precision knife blades and you will have a knife to make the precision cut you need–every material every time.